package com.yhsimon.client;

/**
 * @author： YHSimon
 * @date： 2022-07-15 20:58
 */
public class Singleton {
    private volatile static  Singleton singleton;
    private Singleton(){}

    public static Singleton getSingleton(){
        if(singleton==null){
            synchronized(Singleton.class){
                if(singleton==null){
                    singleton=new Singleton();
                }
            }
        }
        return singleton;
    }

}
